Question

and
n(ANB): 1, then
18
If n(A)-4; n(B) = 3
n (AUB)
MAR
M T W T F S S M T W T F S S M T W T F S S M T W T F S S
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
M T W T F S
27 28 29 30 31​

Answer 1

Answer:

what are this

Step-by-step explanation:

i dont understand sorry